The AV Stumpfl Magnum SK30 is a roll-up transport box for screen systems using fabric widths of up to 650 cm. It is identified by manufacturer article number BRV-SK30/650 and is associated with the BMM-SV650 full screen set. The transport box has a listed gross and net weight of 184 kg. It is an accessory for transporting and storing the roll-up screen system and is not itself a projection screen.